U.K. lawmakers may question officials from Twitter Inc. about abusive postings on the microblogging site directed at female members of Parliament and a feminist, the head of a House of Commons committee said.

German Chancellor Angela Merkel and French President Nicolas Sarkozy said they’ll press for closer euro-area economic integration with tougher deficit rules and stricter supervision to stamp out the debt crisis.

U.K. lawmakers probing whether News Corp. covered up phone hacking at the News of the World tabloid are at least two months behind schedule with their report, as they debate how critical they can be of Deputy Chief Operating Officer James Murdoch.

News Corp.’s Rupert Murdoch, who’s been asked to testify in front of U.K. lawmakers, is facing at least six investigations stemming from a phone-hacking scandal and his bid to buy all of British Sky Broadcasting Group Plc.

James Murdoch’s testimony last month to U.K. lawmakers about phone hacking by News Corp. journalists produced responses that he’d been mistaken, misled or just lied. This week he’s supposed to explain which of those it was, if any.

News Corp. Deputy Chief Operating Officer James Murdoch was asked to testify for a second time on phone hacking to the U.K. Parliament’s Culture Committee after former employees challenged statements he made to the panel.